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OpenGL Mathematics (GLM)
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Allow to perform bit operations on integer values. </p>
<p>&lt;<a class="el" href="a00012.html" title="OpenGL Mathematics (glm.g-truc.net) ">glm/gtx/bit.hpp</a>&gt; need to be included to use these functionalities. </p>
<h2 class="groupheader">Function Documentation</h2>
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<p>Interleaves the bits of x and y. </p>
<p>The first bit is the first bit of x followed by the first bit of y. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<p>Interleaves the bits of x and y. </p>
<p>The first bit is the first bit of x followed by the first bit of y. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<p>Interleaves the bits of x and y. </p>
<p>The first bit is the first bit of x followed by the first bit of y. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<p>Interleaves the bits of x and y. </p>
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<p>Interleaves the bits of x and y. </p>
<p>The first bit is the first bit of x followed by the first bit of y. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL uint64 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">uint32&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32&#160;</td>
<td class="paramname"><em>y</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Interleaves the bits of x and y. </p>
<p>The first bit is the first bit of x followed by the first bit of y. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL int32 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">int8&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int8&#160;</td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int8&#160;</td>
<td class="paramname"><em>z</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Interleaves the bits of x, y and z. </p>
<p>The first bit is the first bit of x followed by the first bit of y and the first bit of z. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL uint32 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">uint8&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8&#160;</td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8&#160;</td>
<td class="paramname"><em>z</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>Interleaves the bits of x, y and z. </p>
<p>The first bit is the first bit of x followed by the first bit of y and the first bit of z. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL int64 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">int16&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int16&#160;</td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int16&#160;</td>
<td class="paramname"><em>z</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Interleaves the bits of x, y and z. </p>
<p>The first bit is the first bit of x followed by the first bit of y and the first bit of z. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL uint64 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">uint16&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16&#160;</td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16&#160;</td>
<td class="paramname"><em>z</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Interleaves the bits of x, y and z. </p>
<p>The first bit is the first bit of x followed by the first bit of y and the first bit of z. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL int64 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">int32&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32&#160;</td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32&#160;</td>
<td class="paramname"><em>z</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Interleaves the bits of x, y and z. </p>
<p>The first bit is the first bit of x followed by the first bit of y and the first bit of z. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL uint64 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">uint32&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32&#160;</td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32&#160;</td>
<td class="paramname"><em>z</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>Interleaves the bits of x, y and z. </p>
<p>The first bit is the first bit of x followed by the first bit of y and the first bit of z. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL int32 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">int8&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int8&#160;</td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int8&#160;</td>
<td class="paramname"><em>z</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int8&#160;</td>
<td class="paramname"><em>w</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>Interleaves the bits of x, y, z and w. </p>
<p>The first bit is the first bit of x followed by the first bit of y, the first bit of z and finally the first bit of w. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL uint32 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">uint8&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8&#160;</td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8&#160;</td>
<td class="paramname"><em>z</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8&#160;</td>
<td class="paramname"><em>w</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>Interleaves the bits of x, y, z and w. </p>
<p>The first bit is the first bit of x followed by the first bit of y, the first bit of z and finally the first bit of w. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL int64 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">int16&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int16&#160;</td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int16&#160;</td>
<td class="paramname"><em>z</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int16&#160;</td>
<td class="paramname"><em>w</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Interleaves the bits of x, y, z and w. </p>
<p>The first bit is the first bit of x followed by the first bit of y, the first bit of z and finally the first bit of w. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL uint64 glm::bitfieldInterleave </td>
<td>(</td>
<td class="paramtype">uint16&#160;</td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16&#160;</td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16&#160;</td>
<td class="paramname"><em>z</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16&#160;</td>
<td class="paramname"><em>w</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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</div><div class="memdoc">
<p>Interleaves the bits of x, y, z and w. </p>
<p>The first bit is the first bit of x followed by the first bit of y, the first bit of z and finally the first bit of w. The other bits are interleaved following the previous sequence.</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_DEPRECATED GLM_FUNC_DECL genType glm::bitRevert </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Revert all bits of any integer based type. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::bitRotateLeft </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>In</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::size_t&#160;</td>
<td class="paramname"><em>Shift</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Rotate all bits to the left. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::bitRotateRight </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>In</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::size_t&#160;</td>
<td class="paramname"><em>Shift</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Rotate all bits to the right. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genIUType glm::fillBitfieldWithOne </td>
<td>(</td>
<td class="paramtype">genIUType const &amp;&#160;</td>
<td class="paramname"><em>Value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int const &amp;&#160;</td>
<td class="paramname"><em>FromBit</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int const &amp;&#160;</td>
<td class="paramname"><em>ToBit</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Set to 1 a range of bits. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genIUType glm::fillBitfieldWithZero </td>
<td>(</td>
<td class="paramtype">genIUType const &amp;&#160;</td>
<td class="paramname"><em>Value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int const &amp;&#160;</td>
<td class="paramname"><em>FromBit</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int const &amp;&#160;</td>
<td class="paramname"><em>ToBit</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set to 0 a range of bits. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::highestBitValue </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Find the highest bit set to 1 in a integer variable and return its value. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL bool glm::isPowerOfTwo </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Return true if the value is a power of two number. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genIType glm::mask </td>
<td>(</td>
<td class="paramtype">genIType const &amp;&#160;</td>
<td class="paramname"><em>count</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Build a mask of 'count' bits. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::powerOfTwoAbove </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td></td>
</tr>
</table>
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<p>Return the power of two number which value is just higher the input value. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::powerOfTwoBelow </td>
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<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
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<p>Return the power of two number which value is just lower the input value. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::powerOfTwoNearest </td>
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<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
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<p>Return the power of two number which value is the closet to the input value. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="a00186.html" title="Allow to perform bit operations on integer values. ">GLM_GTX_bit</a> </dd></dl>
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